(19)

(11)

EP 4 264 467 A1

(12)

(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21839436.9 (22) Date of filing: 14.12.2021

(51) International Patent Classification (IPC):  G06F 21/57(2013.01) H04W 12/30(2021.01) H04W 8/20(2009.01) (52) Cooperative Patent Classification (CPC): G06F 21/57; H04W 12/35; H04W 8/205; G06F 21/572 (86) International application number: PCT/EP2021/085722 (87) International publication number: WO 2022/129068 (23.06.2022 Gazette 2022/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 18.12.2020 EP 20306620 (71) Applicant: THALES DIS FRANCE SAS 92190 Meudon (FR)	(72) Inventors: DUPREZ, Jerome 13881 GEMENOS CEDEX (FR) DAO, Frederic 13881 GEMENOS CEDEX (FR) GLINKA-HECQUET, Gerald 13881 GEMENOS CEDEX (FR) (74) Representative: Scheer, Luc  Thales Dis France SAS Intellectual Property Department Avenue du Jujubier Zone Athelia IV 13705 La Ciotat Cedex 13705 La Ciotat Cedex (FR)